# Calorie Tracker Air vs GrindXStudio

The clearest difference is in-app purchases: GrindXStudio at none against Calorie Tracker Air's 13. GrindXStudio also leads on ads (none vs shown) and update cadence (monthly vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Calorie Tracker Air sells 13 in-app purchases, starting at $0.49 per 7 days. GrindXStudio asks for nothing beyond the download.

Calorie Tracker Air ships an update every 2 months, GrindXStudio monthly. The most recent releases landed on October 9, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Calorie Tracker Air | GrindXStudio |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 124 MB | 30 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Air Apps Systems](https://appshunter.io/developer/1316153435) | [Aerobit Technologies Limited](https://appshunter.io/developer/1267192246) |

## What reviewers say

### Calorie Tracker Air

[App page](https://appshunter.io/ios/app/calorie-tracker-air/id1608577581)

Easily track your daily calorie intake and monitor nutritional values to achieve your weight goals. Plan your meals and adopt a healthier lifestyle with this straightforward nutrition tracker.

**Highlights:** Calorie counting, Meal planning, Nutritional value tracking, Weight goal setting, Food barcode scanning, Pro features

**Features:** macOS Compatibility

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Air Apps One | $0.49 | per 7 days |
| Air Apps One | $1.99 | per month |
| Air Apps One - 1 Week | $4.99 | per 7 days |
| Air Apps One Welcome - 1 Week | $4.99 | per 7 days |
| Air Apps One - 1 Week | $5.99 | per 7 days |
| Air Apps One - 1 Week | $7.99 | per 7 days |
| Air Apps One - 1 Month | $9.99 | per month |
| Air Apps One - 1 Week | $9.99 | per 7 days |
| Air Apps One - 1 Week | $12.99 | per 7 days |
| Air Apps One - 1 Week | $12.99 | per 7 days |
| Air Apps One | $19.99 | per year |
| Air Apps One - 1 Year | $69.99 | per year |
| Air Apps Pro - 1 Month | $199.99 | per month |


### GrindXStudio

[App page](https://appshunter.io/ios/app/grindxstudio/id6760532511)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Calorie Tracker Air free?

Calorie Tracker Air is free to download, with in-app purchases available.

### Is GrindXStudio free?

GrindXStudio is free to download, with no in-app purchases.

### Do Calorie Tracker Air or GrindXStudio have ads?

Calorie Tracker Air shows ads; GrindXStudio does not.

### Which is updated more often, Calorie Tracker Air or GrindXStudio?

Calorie Tracker Air ships an update every 2 months, and GrindXStudio monthly. Most recently, Calorie Tracker Air was updated on October 9, 2026 and GrindXStudio on October 6, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*